Cobar 396-DRX VOC-free flux is RoHS-compliant and classified as ORL0. Contains no halides and is based on a water carrying system that will provide advantages in transportation and storage conditions and eliminate fire risks. Is odorless, thermally stable, and has a wide process window with top-side preheat temperatures of up to 150°C. Reportedly can be used in high thermal mass and heavy multilayer products which require extended and higher soldering conditions. Leaves no visible residues. 

Cobar, www.cobar.com